SOLUTION: Find the equation of the parabola is: vertex (0, 0); focus (4, 0).

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Question 1168874: Find the equation of the parabola is: vertex (0, 0); focus (4, 0).
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
Directrix is the line x=-4.
Distance from vertex to either directrix or focus is 4 units.

If you do not remember the formula for the equation, you can use the Distance Formula definition for parabola and find the equation for your example parabola.